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Plant Processes
SOL 7.5
| Term | Definition |
|---|---|
| Photosynthesis | Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct. |
| Respiration | a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances. |
| Stomata-stoma | leaf or stem of a plant, forming a slit of variable width that allows movement of gases in and out of the intercellular spaces. |
| Guard cells | each of a pair of curved cells that surround a stoma, becoming larger or smaller according to the pressure within the cells. |
| Chlorophyll | green pigment, present in all green plants responsible for the absorption of light to provide energy for photosynthesis. |
| Chloroplast | a plastid that contains chlorophyll and in which photosynthesis takes place. |
| Light dependent reaction | use light energy to make two molecules needed for the next stage of photosynthesis: |
| Light independent reaction | dark reactions, of photosynthesis are chemical reactions that convert carbon dioxide and other compounds into glucose. |
| Energy pyramid | graphical representation designed to show the biomass or bio productivity at each trophic level in a given ecosystem. |
| Producer | organism, either a green plant or bacterium, which is part of the first level of a food chain. |
| Mitochondria | organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. |
| Autotraphs | an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. |
| Consumers | organism that feeds on plants or other animals for energy. |
| Herbivore | an animal that feeds on plants. |
| Omnivores | an animal or person that eats food of both plant and animal origin. |
| Heterotrophs | organism deriving its nutritional requirements from complex organic substances. |
| Carnivores | an animal that feeds on flesh. |
| Decomposers | an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material. |
| Spongy layer | layer of loosely packed and irregularly shaped chlorophyll-bearing cells that fills the part of a leaf between the palisade layer and the lower epidermis called |
| Palisade layer | a layer of parallel elongated cells below the epidermis of a leaf. |
| Raw materials | processed or unprocessed any product of agriculture, forestry, fishing and any other mineral that is in its natural form |
| Oxygen | chemical element in the periodic table. |
| Carbon dioxide | colorless, odorless gas produced by burning carbon and organic compounds and by respiration. |
| Portfolios,questioning | self-reflection is a process in which you look back on your science work and examine the strengths and weaknesses of the work. |
| Glucose | type of sugar you get from foods you eat, and your body uses it for energy. |
| Products | substance that is formed as the result of a chemical reaction. |
Created by:
Paulina.Aguilar
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